From 5731858d0047cad309d334c4cd6ccb6199bf28fe Mon Sep 17 00:00:00 2001 From: Gertjan van Wingerde Date: Tue, 30 Mar 2010 23:50:23 +0200 Subject: rt2x00: Disable auto wakeup before waking up device. In all drivers ensure that auto wakeup is disabled before waking up the device. This is needed to prevent connection stability issues and problems in waking up the device. Based upon a patch from Ondrej Zary Signed-off-by: Gertjan van Wingerde Cc: Ondrej Zary Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2500usb.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c') diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index ee34c137e7c..c1eec17fe18 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -648,6 +648,10 @@ static void rt2500usb_config_ps(struct rt2x00_dev *rt2x00dev, rt2x00_set_field16(®, MAC_CSR18_AUTO_WAKE, 1); rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); + } else { + rt2500usb_register_read(rt2x00dev, MAC_CSR18, ®); + rt2x00_set_field16(®, MAC_CSR18_AUTO_WAKE, 0); + rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg); } rt2x00dev->ops->lib->set_device_state(rt2x00dev, state); -- cgit v1.2.3-70-g09d2 From 62c33447fa720d71b05bbc626b01351a4889c2d7 Mon Sep 17 00:00:00 2001 From: Gertjan van Wingerde Date: Tue, 30 Mar 2010 23:50:24 +0200 Subject: rt2x00: Enable powersaving by default again on rt2500usb. Now that the powersave issues on rt2500usb have been tackled, powersave can be enabled by default again. Signed-off-by: Gertjan van Wingerde Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2500usb.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c') diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 54d2716e389..c1eec17fe18 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1646,11 +1646,6 @@ static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) char *tx_power; unsigned int i; - /* - * Disable powersaving as default. - */ - rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; - /* * Initialize all hw fields. */ -- cgit v1.2.3-70-g09d2 From df624ca5413d84b3082246de384823fbe8fed6e4 Mon Sep 17 00:00:00 2001 From: Gertjan van Wingerde Date: Mon, 3 May 2010 22:43:05 +0200 Subject: rt2x00: Register frame length in TX entry descriptor instead of L2PAD. And use it consistently in the chipset drivers. Preparation for further clean ups. Signed-off-by: Gertjan van Wingerde Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2400pci.c | 4 ++-- drivers/net/wireless/rt2x00/rt2500pci.c | 2 +- drivers/net/wireless/rt2x00/rt2500usb.c | 2 +- drivers/net/wireless/rt2x00/rt2800pci.c | 2 +- drivers/net/wireless/rt2x00/rt2800usb.c | 2 +- drivers/net/wireless/rt2x00/rt2x00queue.c | 6 ++---- drivers/net/wireless/rt2x00/rt2x00queue.h | 4 ++-- drivers/net/wireless/rt2x00/rt61pci.c | 5 +++-- drivers/net/wireless/rt2x00/rt73usb.c | 2 +- 9 files changed, 14 insertions(+), 15 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c') diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 08a4789fc2d..6f898913492 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -1017,8 +1017,8 @@ static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_desc_write(entry_priv->desc, 1, word); rt2x00_desc_read(txd, 2, &word); - rt2x00_set_field32(&word, TXD_W2_BUFFER_LENGTH, skb->len); - rt2x00_set_field32(&word, TXD_W2_DATABYTE_COUNT, skb->len); + rt2x00_set_field32(&word, TXD_W2_BUFFER_LENGTH, txdesc->length); + rt2x00_set_field32(&word, TXD_W2_DATABYTE_COUNT, txdesc->length); rt2x00_desc_write(txd, 2, word); rt2x00_desc_read(txd, 3, &word); diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index d084d70e5fe..d9b630455e7 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1208,7 +1208,7 @@ static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len); + rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE); rt2x00_desc_write(txd, 0, word); } diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index c1eec17fe18..c6e6e7b0ea5 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1071,7 +1071,7 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W0_NEW_SEQ, test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len); + rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); rt2x00_set_field32(&word, TXD_W0_CIPHER, !!txdesc->cipher); rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx); rt2x00_desc_write(txd, 0, word); diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 89281d78f04..f08b6a37bf2 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -663,7 +663,7 @@ static int rt2800pci_write_tx_data(struct queue_entry* entry, test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ? txdesc->key_idx : 0xff); rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT, - skb->len - txdesc->l2pad); + txdesc->length); rt2x00_set_field32(&word, TXWI_W1_PACKETID, skbdesc->entry->queue->qid + 1); rt2x00_desc_write(txwi, 1, word); diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 2b79d6e58f4..67f8234f24d 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -437,7 +437,7 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ? txdesc->key_idx : 0xff); rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT, - skb->len - txdesc->l2pad); + txdesc->length); rt2x00_set_field32(&word, TXWI_W1_PACKETID, skbdesc->entry->queue->qid + 1); rt2x00_desc_write(txwi, 1, word); diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index a68cf90f6c4..59d9459acfa 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -333,12 +333,10 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, txdesc->aifs = entry->queue->aifs; /* - * Header and alignment information. + * Header and frame information. */ + txdesc->length = entry->skb->len; txdesc->header_length = ieee80211_get_hdrlen_from_skb(entry->skb); - if (test_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags) && - (entry->skb->len > txdesc->header_length)) - txdesc->l2pad = L2PAD_SIZE(txdesc->header_length); /* * Check whether this frame is to be acked. diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h index f519aba4ff0..94a48c174d6 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.h +++ b/drivers/net/wireless/rt2x00/rt2x00queue.h @@ -285,8 +285,8 @@ enum txentry_desc_flags { * * @flags: Descriptor flags (See &enum queue_entry_flags). * @queue: Queue identification (See &enum data_queue_qid). + * @length: Length of the entire frame. * @header_length: Length of 802.11 header. - * @l2pad: Amount of padding to align 802.11 payload to 4-byte boundrary. * @length_high: PLCP length high word. * @length_low: PLCP length low word. * @signal: PLCP signal. @@ -311,8 +311,8 @@ struct txentry_desc { enum data_queue_qid queue; + u16 length; u16 header_length; - u16 l2pad; u16 length_high; u16 length_low; diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index ac69dbe5719..8099ecaf869 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -1808,7 +1808,8 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, if (skbdesc->desc_len > TXINFO_SIZE) { rt2x00_desc_read(txd, 11, &word); - rt2x00_set_field32(&word, TXD_W11_BUFFER_LENGTH0, skb->len); + rt2x00_set_field32(&word, TXD_W11_BUFFER_LENGTH0, + txdesc->length); rt2x00_desc_write(txd, 11, word); } @@ -1831,7 +1832,7 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W0_KEY_TABLE, test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len); + rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); rt2x00_set_field32(&word, TXD_W0_BURST, test_bit(ENTRY_TXD_BURST, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher); diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 7ebe14b64fe..1399c18bc66 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1494,7 +1494,7 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W0_KEY_TABLE, test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len); + rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); rt2x00_set_field32(&word, TXD_W0_BURST2, test_bit(ENTRY_TXD_BURST, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher); -- cgit v1.2.3-70-g09d2 From 78b8f3b0ddb061af1e3907f9c4bca76eae39f79f Mon Sep 17 00:00:00 2001 From: Gertjan van Wingerde Date: Sat, 8 May 2010 23:40:20 +0200 Subject: rt2x00: Don't check whether hardware crypto is enabled when reading RXD. We should simply follow what the hardware told us it has done. Signed-off-by: Gertjan van Wingerde Acked-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2500usb.c | 8 +++----- drivers/net/wireless/rt2x00/rt2800pci.c | 17 +++++++---------- drivers/net/wireless/rt2x00/rt2800usb.c | 8 ++------ drivers/net/wireless/rt2x00/rt61pci.c | 8 ++------ drivers/net/wireless/rt2x00/rt73usb.c | 8 ++------ 5 files changed, 16 insertions(+), 33 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c') diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index c6e6e7b0ea5..f90b308899a 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1213,11 +1213,9 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry, if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC; - if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { - rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER); - if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR)) - rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY; - } + rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER); + if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR)) + rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY; if (rxdesc->cipher != CIPHER_NONE) { _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]); diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index df2c3fb8b4b..b9ec08180aa 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -840,16 +840,13 @@ static void rt2800pci_fill_rxdone(struct queue_entry *entry, if (rt2x00_get_field32(rxd3, RXD_W3_CRC_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; - if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { - /* - * Unfortunately we don't know the cipher type used during - * decryption. This prevents us from correct providing - * correct statistics through debugfs. - */ - rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF); - rxdesc->cipher_status = - rt2x00_get_field32(rxd3, RXD_W3_CIPHER_ERROR); - } + /* + * Unfortunately we don't know the cipher type used during + * decryption. This prevents us from correct providing + * correct statistics through debugfs. + */ + rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF); + rxdesc->cipher_status = rt2x00_get_field32(rxd3, RXD_W3_CIPHER_ERROR); if (rt2x00_get_field32(rxd3, RXD_W3_DECRYPTED)) { /* diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 94b68127811..df7ad981b80 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -549,7 +549,6 @@ static void rt2800usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, static void rt2800usb_fill_rxdone(struct queue_entry *entry, struct rxdone_entry_desc *rxdesc) { - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); __le32 *rxi = (__le32 *)entry->skb->data; __le32 *rxwi; @@ -595,11 +594,8 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry, if (rt2x00_get_field32(rxd0, RXD_W0_CRC_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; - if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { - rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF); - rxdesc->cipher_status = - rt2x00_get_field32(rxd0, RXD_W0_CIPHER_ERROR); - } + rxdesc->cipher = rt2x00_get_field32(rxwi0, RXWI_W0_UDF); + rxdesc->cipher_status = rt2x00_get_field32(rxd0, RXD_W0_CIPHER_ERROR); if (rt2x00_get_field32(rxd0, RXD_W0_DECRYPTED)) { /* diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 8099ecaf869..1b0c70d6569 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -1968,12 +1968,8 @@ static void rt61pci_fill_rxdone(struct queue_entry *entry, if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; - if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { - rxdesc->cipher = - rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG); - rxdesc->cipher_status = - rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR); - } + rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG); + rxdesc->cipher_status = rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR); if (rxdesc->cipher != CIPHER_NONE) { _rt2x00_desc_read(entry_priv->desc, 2, &rxdesc->iv[0]); diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 1399c18bc66..6acba620971 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1644,12 +1644,8 @@ static void rt73usb_fill_rxdone(struct queue_entry *entry, if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; - if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { - rxdesc->cipher = - rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG); - rxdesc->cipher_status = - rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR); - } + rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG); + rxdesc->cipher_status = rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR); if (rxdesc->cipher != CIPHER_NONE) { _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]); -- cgit v1.2.3-70-g09d2 From d61cb26696e19494c049297def6c8f37d9e2f534 Mon Sep 17 00:00:00 2001 From: Gertjan van Wingerde Date: Sat, 8 May 2010 23:40:24 +0200 Subject: rt2x00: Clean up all driver's kick_tx_queue callback functions. All of the driver's kick_tx_queue callback functions treat the TX queue for beacons in a special manner. Clean this up by integrating the kicking of the beacon queue into the write_beacon callback function, and let the generic code no longer call the kick_tx_queue callback function when updating the beacon. Signed-off-by: Gertjan van Wingerde Acked-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2400pci.c | 19 +++++------ drivers/net/wireless/rt2x00/rt2500pci.c | 19 +++++------ drivers/net/wireless/rt2x00/rt2500usb.c | 55 +++++++++++++------------------ drivers/net/wireless/rt2x00/rt2800pci.c | 20 +++++------ drivers/net/wireless/rt2x00/rt2800usb.c | 29 +++++----------- drivers/net/wireless/rt2x00/rt2x00queue.c | 5 +-- drivers/net/wireless/rt2x00/rt61pci.c | 30 ++++++++--------- drivers/net/wireless/rt2x00/rt73usb.c | 40 ++++++++-------------- 8 files changed, 83 insertions(+), 134 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c') diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 6f898913492..9c13a4e0e73 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -1089,6 +1089,14 @@ static void rt2400pci_write_beacon(struct queue_entry *entry) rt2x00_desc_read(entry_priv->desc, 1, &word); rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma); rt2x00_desc_write(entry_priv->desc, 1, word); + + /* + * Enable beaconing again. + */ + rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); + rt2x00_set_field32(®, CSR14_TBCN, 1); + rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); + rt2x00pci_register_write(rt2x00dev, CSR14, reg); } static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, @@ -1096,17 +1104,6 @@ static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, { u32 reg; - if (queue == QID_BEACON) { - rt2x00pci_register_read(rt2x00dev, CSR14, ®); - if (!rt2x00_get_field32(reg, CSR14_BEACON_GEN)) { - rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); - rt2x00_set_field32(®, CSR14_TBCN, 1); - rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); - rt2x00pci_register_write(rt2x00dev, CSR14, reg); - } - return; - } - rt2x00pci_register_read(rt2x00dev, TXCSR0, ®); rt2x00_set_field32(®, TXCSR0_KICK_PRIO, (queue == QID_AC_BE)); rt2x00_set_field32(®, TXCSR0_KICK_TX, (queue == QID_AC_BK)); diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index d9b630455e7..84ab56ec587 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1246,6 +1246,14 @@ static void rt2500pci_write_beacon(struct queue_entry *entry) rt2x00_desc_read(entry_priv->desc, 1, &word); rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma); rt2x00_desc_write(entry_priv->desc, 1, word); + + /* + * Enable beaconing again. + */ + rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); + rt2x00_set_field32(®, CSR14_TBCN, 1); + rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); + rt2x00pci_register_write(rt2x00dev, CSR14, reg); } static void rt2500pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, @@ -1253,17 +1261,6 @@ static void rt2500pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, { u32 reg; - if (queue == QID_BEACON) { - rt2x00pci_register_read(rt2x00dev, CSR14, ®); - if (!rt2x00_get_field32(reg, CSR14_BEACON_GEN)) { - rt2x00_set_field32(®, CSR14_TSF_COUNT, 1); - rt2x00_set_field32(®, CSR14_TBCN, 1); - rt2x00_set_field32(®, CSR14_BEACON_GEN, 1); - rt2x00pci_register_write(rt2x00dev, CSR14, reg); - } - return; - } - rt2x00pci_register_read(rt2x00dev, TXCSR0, ®); rt2x00_set_field32(®, TXCSR0_KICK_PRIO, (queue == QID_AC_BE)); rt2x00_set_field32(®, TXCSR0_KICK_TX, (queue == QID_AC_BK)); diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index f90b308899a..5ee9b9fd77b 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1090,7 +1090,7 @@ static void rt2500usb_write_beacon(struct queue_entry *entry) struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint); int length; - u16 reg; + u16 reg, reg0; /* * Add the descriptor in front of the skb. @@ -1132,6 +1132,26 @@ static void rt2500usb_write_beacon(struct queue_entry *entry) * Send out the guardian byte. */ usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC); + + /* + * Enable beaconing again. + */ + rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); + rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); + reg0 = reg; + rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); + /* + * Beacon generation will fail initially. + * To prevent this we need to change the TXRX_CSR19 + * register several times (reg0 is the same as reg + * except for TXRX_CSR19_BEACON_GEN, which is 0 in reg0 + * and 1 in reg). + */ + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); } static int rt2500usb_get_tx_data_len(struct queue_entry *entry) @@ -1148,37 +1168,6 @@ static int rt2500usb_get_tx_data_len(struct queue_entry *entry) return length; } -static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, - const enum data_queue_qid queue) -{ - u16 reg, reg0; - - if (queue != QID_BEACON) { - rt2x00usb_kick_tx_queue(rt2x00dev, queue); - return; - } - - rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); - if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) { - rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); - rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); - reg0 = reg; - rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); - /* - * Beacon generation will fail initially. - * To prevent this we need to change the TXRX_CSR19 - * register several times (reg0 is the same as reg - * except for TXRX_CSR19_BEACON_GEN, which is 0 in reg0 - * and 1 in reg). - */ - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - } -} - /* * RX control handlers */ @@ -1777,7 +1766,7 @@ static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = { .write_tx_data = rt2x00usb_write_tx_data, .write_beacon = rt2500usb_write_beacon, .get_tx_data_len = rt2500usb_get_tx_data_len, - .kick_tx_queue = rt2500usb_kick_tx_queue, + .kick_tx_queue = rt2x00usb_kick_tx_queue, .kill_tx_queue = rt2x00usb_kill_tx_queue, .fill_rxdone = rt2500usb_fill_rxdone, .config_shared_key = rt2500usb_config_key, diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 308842a2e8b..6d564607bbb 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -704,6 +704,14 @@ static void rt2800pci_write_beacon(struct queue_entry *entry) beacon_base + skbdesc->desc_len, entry->skb->data, entry->skb->len); + /* + * Enable beaconing again. + */ + rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); + rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); + rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); + rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); + /* * Clean up beacon skb. */ @@ -716,18 +724,6 @@ static void rt2800pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, { struct data_queue *queue; unsigned int idx, qidx = 0; - u32 reg; - - if (queue_idx == QID_BEACON) { - rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®); - if (!rt2x00_get_field32(reg, BCN_TIME_CFG_BEACON_GEN)) { - rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); - rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); - rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); - rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); - } - return; - } if (queue_idx > QID_HCCA && queue_idx != QID_MGMT) return; diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index db371193b50..dbec71852f0 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -458,6 +458,14 @@ static void rt2800usb_write_beacon(struct queue_entry *entry) entry->skb->data, entry->skb->len, REGISTER_TIMEOUT32(entry->skb->len)); + /* + * Enable beaconing again. + */ + rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); + rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); + rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); + rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); + /* * Clean up the beacon skb. */ @@ -480,25 +488,6 @@ static int rt2800usb_get_tx_data_len(struct queue_entry *entry) return length; } -static void rt2800usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, - const enum data_queue_qid queue) -{ - u32 reg; - - if (queue != QID_BEACON) { - rt2x00usb_kick_tx_queue(rt2x00dev, queue); - return; - } - - rt2800_register_read(rt2x00dev, BCN_TIME_CFG, ®); - if (!rt2x00_get_field32(reg, BCN_TIME_CFG_BEACON_GEN)) { - rt2x00_set_field32(®, BCN_TIME_CFG_TSF_TICKING, 1); - rt2x00_set_field32(®, BCN_TIME_CFG_TBTT_ENABLE, 1); - rt2x00_set_field32(®, BCN_TIME_CFG_BEACON_GEN, 1); - rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg); - } -} - /* * RX control handlers */ @@ -667,7 +656,7 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = { .write_tx_data = rt2x00usb_write_tx_data, .write_beacon = rt2800usb_write_beacon, .get_tx_data_len = rt2800usb_get_tx_data_len, - .kick_tx_queue = rt2800usb_kick_tx_queue, + .kick_tx_queue = rt2x00usb_kick_tx_queue, .kill_tx_queue = rt2x00usb_kill_tx_queue, .fill_rxdone = rt2800usb_fill_rxdone, .config_shared_key = rt2800_config_shared_key, diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 59d9459acfa..949aaad0cbd 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -602,12 +602,9 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, rt2x00queue_write_tx_descriptor(intf->beacon, &txdesc); /* - * Send beacon to hardware. - * Also enable beacon generation, which might have been disabled - * by the driver during the config_beacon() callback function. + * Send beacon to hardware and enable beacon genaration.. */ rt2x00dev->ops->lib->write_beacon(intf->beacon); - rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, QID_BEACON); mutex_unlock(&intf->beacon_skb_mutex); diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 1b0c70d6569..9e3a1ee426e 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -1868,6 +1868,19 @@ static void rt61pci_write_beacon(struct queue_entry *entry) beacon_base + skbdesc->desc_len, entry->skb->data, entry->skb->len); + /* + * Enable beaconing again. + * + * For Wi-Fi faily generated beacons between participating + * stations. Set TBTT phase adaptive adjustment step to 8us. + */ + rt2x00pci_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); + + rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); + rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); + rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); + rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); + /* * Clean up beacon skb. */ @@ -1880,23 +1893,6 @@ static void rt61pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, { u32 reg; - if (queue == QID_BEACON) { - /* - * For Wi-Fi faily generated beacons between participating - * stations. Set TBTT phase adaptive adjustment step to 8us. - */ - rt2x00pci_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); - - rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®); - if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) { - rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); - rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); - rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); - rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg); - } - return; - } - rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, ®); rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC0, (queue == QID_AC_BE)); rt2x00_set_field32(®, TX_CNTL_CSR_KICK_TX_AC1, (queue == QID_AC_BK)); diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 6acba620971..ca3707af4b4 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1535,6 +1535,19 @@ static void rt73usb_write_beacon(struct queue_entry *entry) entry->skb->data, entry->skb->len, REGISTER_TIMEOUT32(entry->skb->len)); + /* + * Enable beaconing again. + * + * For Wi-Fi faily generated beacons between participating stations. + * Set TBTT phase adaptive adjustment step to 8us (default 16us) + */ + rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); + + rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); + rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); + rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); + rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); + /* * Clean up the beacon skb. */ @@ -1556,31 +1569,6 @@ static int rt73usb_get_tx_data_len(struct queue_entry *entry) return length; } -static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, - const enum data_queue_qid queue) -{ - u32 reg; - - if (queue != QID_BEACON) { - rt2x00usb_kick_tx_queue(rt2x00dev, queue); - return; - } - - /* - * For Wi-Fi faily generated beacons between participating stations. - * Set TBTT phase adaptive adjustment step to 8us (default 16us) - */ - rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008); - - rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, ®); - if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) { - rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1); - rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1); - rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1); - rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); - } -} - /* * RX control handlers */ @@ -2261,7 +2249,7 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = { .write_tx_data = rt2x00usb_write_tx_data, .write_beacon = rt73usb_write_beacon, .get_tx_data_len = rt73usb_get_tx_data_len, - .kick_tx_queue = rt73usb_kick_tx_queue, + .kick_tx_queue = rt2x00usb_kick_tx_queue, .kill_tx_queue = rt2x00usb_kill_tx_queue, .fill_rxdone = rt73usb_fill_rxdone, .config_shared_key = rt73usb_config_shared_key, -- cgit v1.2.3-70-g09d2 From f224f4ef794c4a9146a7fa7303018fecab8c9328 Mon Sep 17 00:00:00 2001 From: Gertjan van Wingerde Date: Sat, 8 May 2010 23:40:25 +0200 Subject: rt2x00: provide beacon's txdesc to write_beacon callback function. Preparation to fix rt2800 beaconing. Signed-off-by: Gertjan van Wingerde Acked-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2400pci.c | 3 ++- drivers/net/wireless/rt2x00/rt2500pci.c | 3 ++- drivers/net/wireless/rt2x00/rt2500usb.c | 3 ++- drivers/net/wireless/rt2x00/rt2800pci.c | 3 ++- drivers/net/wireless/rt2x00/rt2800usb.c | 3 ++- drivers/net/wireless/rt2x00/rt2x00.h | 3 ++- drivers/net/wireless/rt2x00/rt2x00queue.c | 2 +- drivers/net/wireless/rt2x00/rt61pci.c | 3 ++- drivers/net/wireless/rt2x00/rt73usb.c | 3 ++- 9 files changed, 17 insertions(+), 9 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c') diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 9c13a4e0e73..4b3845152e1 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -1059,7 +1059,8 @@ static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ -static void rt2400pci_write_beacon(struct queue_entry *entry) +static void rt2400pci_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct queue_entry_priv_pci *entry_priv = entry->priv_data; diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index 84ab56ec587..d876c6d8759 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1216,7 +1216,8 @@ static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ -static void rt2500pci_write_beacon(struct queue_entry *entry) +static void rt2500pci_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct queue_entry_priv_pci *entry_priv = entry->priv_data; diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 5ee9b9fd77b..30c0544e803 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1082,7 +1082,8 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, */ static void rt2500usb_beacondone(struct urb *urb); -static void rt2500usb_write_beacon(struct queue_entry *entry) +static void rt2500usb_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev); diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 6d564607bbb..80c67681cf9 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -678,7 +678,8 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ -static void rt2800pci_write_beacon(struct queue_entry *entry) +static void rt2800pci_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index dbec71852f0..d992a9352ed 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -427,7 +427,8 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ -static void rt2800usb_write_beacon(struct queue_entry *entry) +static void rt2800usb_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 4f9b666f7a7..6c1ff4c15c8 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -551,7 +551,8 @@ struct rt2x00lib_ops { struct txentry_desc *txdesc); int (*write_tx_data) (struct queue_entry *entry, struct txentry_desc *txdesc); - void (*write_beacon) (struct queue_entry *entry); + void (*write_beacon) (struct queue_entry *entry, + struct txentry_desc *txdesc); int (*get_tx_data_len) (struct queue_entry *entry); void (*kick_tx_queue) (struct rt2x00_dev *rt2x00dev, const enum data_queue_qid queue); diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 949aaad0cbd..12ec68577f9 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -604,7 +604,7 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, /* * Send beacon to hardware and enable beacon genaration.. */ - rt2x00dev->ops->lib->write_beacon(intf->beacon); + rt2x00dev->ops->lib->write_beacon(intf->beacon, &txdesc); mutex_unlock(&intf->beacon_skb_mutex); diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 9e3a1ee426e..24363634e6f 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -1842,7 +1842,8 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ -static void rt61pci_write_beacon(struct queue_entry *entry) +static void rt61pci_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index ca3707af4b4..81f6db1b16f 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1504,7 +1504,8 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ -static void rt73usb_write_beacon(struct queue_entry *entry) +static void rt73usb_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); -- cgit v1.2.3-70-g09d2 From e01f1ec35ff91c8a3f4a3e48a0c8ab476124b973 Mon Sep 17 00:00:00 2001 From: Gertjan van Wingerde Date: Tue, 11 May 2010 23:51:39 +0200 Subject: rt2x00: Re-order tx descriptor writing code in drivers. Where possible, write the tx descriptor words from start to end, to follow a logical ordering of words. Where this is not possible (in rt2400pci, rt2500pci and rt61pci) add a comment as to why word 0 needs to be written last. Signed-off-by: Gertjan van Wingerde Acked-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2400pci.c | 5 ++++ drivers/net/wireless/rt2x00/rt2500pci.c | 5 ++++ drivers/net/wireless/rt2x00/rt2500usb.c | 36 +++++++++++------------ drivers/net/wireless/rt2x00/rt61pci.c | 5 ++++ drivers/net/wireless/rt2x00/rt73usb.c | 52 ++++++++++++++++----------------- 5 files changed, 59 insertions(+), 44 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c') diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 4b3845152e1..1eff6ec8845 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -1039,6 +1039,11 @@ static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_HIGH_BUSY, 1); rt2x00_desc_write(txd, 4, word); + /* + * Writing TXD word 0 must the last to prevent a race condition with + * the device, whereby the device may take hold of the TXD before we + * finished updating it. + */ rt2x00_desc_read(txd, 0, &word); rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1); rt2x00_set_field32(&word, TXD_W0_VALID, 1); diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index d876c6d8759..8d3e95e0dcf 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1193,6 +1193,11 @@ static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, test_bit(ENTRY_TXD_RTS_FRAME, &txdesc->flags)); rt2x00_desc_write(txd, 10, word); + /* + * Writing TXD word 0 must the last to prevent a race condition with + * the device, whereby the device may take hold of the TXD before we + * finished updating it. + */ rt2x00_desc_read(txd, 0, &word); rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1); rt2x00_set_field32(&word, TXD_W0_VALID, 1); diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 30c0544e803..9a915be547b 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1039,6 +1039,24 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * Start writing the descriptor words. */ + rt2x00_desc_read(txd, 0, &word); + rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit); + rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, + test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); + rt2x00_set_field32(&word, TXD_W0_ACK, + test_bit(ENTRY_TXD_ACK, &txdesc->flags)); + rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, + test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); + rt2x00_set_field32(&word, TXD_W0_OFDM, + (txdesc->rate_mode == RATE_MODE_OFDM)); + rt2x00_set_field32(&word, TXD_W0_NEW_SEQ, + test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)); + rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); + rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); + rt2x00_set_field32(&word, TXD_W0_CIPHER, !!txdesc->cipher); + rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx); + rt2x00_desc_write(txd, 0, word); + rt2x00_desc_read(txd, 1, &word); rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset); rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs); @@ -1057,24 +1075,6 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, _rt2x00_desc_write(txd, 3, skbdesc->iv[0]); _rt2x00_desc_write(txd, 4, skbdesc->iv[1]); } - - rt2x00_desc_read(txd, 0, &word); - rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit); - rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, - test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_ACK, - test_bit(ENTRY_TXD_ACK, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, - test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_OFDM, - (txdesc->rate_mode == RATE_MODE_OFDM)); - rt2x00_set_field32(&word, TXD_W0_NEW_SEQ, - test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); - rt2x00_set_field32(&word, TXD_W0_CIPHER, !!txdesc->cipher); - rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx); - rt2x00_desc_write(txd, 0, word); } /* diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 99c298100fb..55aa010aeee 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -1813,6 +1813,11 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_desc_write(txd, 11, word); } + /* + * Writing TXD word 0 must the last to prevent a race condition with + * the device, whereby the device may take hold of the TXD before we + * finished updating it. + */ rt2x00_desc_read(txd, 0, &word); rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1); rt2x00_set_field32(&word, TXD_W0_VALID, 1); diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 81f6db1b16f..fa40d434e72 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1446,6 +1446,32 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * Start writing the descriptor words. */ + rt2x00_desc_read(txd, 0, &word); + rt2x00_set_field32(&word, TXD_W0_BURST, + test_bit(ENTRY_TXD_BURST, &txdesc->flags)); + rt2x00_set_field32(&word, TXD_W0_VALID, 1); + rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, + test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); + rt2x00_set_field32(&word, TXD_W0_ACK, + test_bit(ENTRY_TXD_ACK, &txdesc->flags)); + rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, + test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); + rt2x00_set_field32(&word, TXD_W0_OFDM, + (txdesc->rate_mode == RATE_MODE_OFDM)); + rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); + rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, + test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags)); + rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, + test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags)); + rt2x00_set_field32(&word, TXD_W0_KEY_TABLE, + test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags)); + rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx); + rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); + rt2x00_set_field32(&word, TXD_W0_BURST2, + test_bit(ENTRY_TXD_BURST, &txdesc->flags)); + rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher); + rt2x00_desc_write(txd, 0, word); + rt2x00_desc_read(txd, 1, &word); rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue); rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs); @@ -1473,32 +1499,6 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, TXPOWER_TO_DEV(rt2x00dev->tx_power)); rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1); rt2x00_desc_write(txd, 5, word); - - rt2x00_desc_read(txd, 0, &word); - rt2x00_set_field32(&word, TXD_W0_BURST, - test_bit(ENTRY_TXD_BURST, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_VALID, 1); - rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, - test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_ACK, - test_bit(ENTRY_TXD_ACK, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_TIMESTAMP, - test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_OFDM, - (txdesc->rate_mode == RATE_MODE_OFDM)); - rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); - rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, - test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, - test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_KEY_TABLE, - test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); - rt2x00_set_field32(&word, TXD_W0_BURST2, - test_bit(ENTRY_TXD_BURST, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher); - rt2x00_desc_write(txd, 0, word); } /* -- cgit v1.2.3-70-g09d2 From 85b7a8b3871bde7885516fed2a1c8da699913318 Mon Sep 17 00:00:00 2001 From: Gertjan van Wingerde Date: Tue, 11 May 2010 23:51:40 +0200 Subject: rt2x00: Simplify TXD handling of beacons. The handling of tx descriptors for beacons can be simplified by updating write_tx_desc implementations of each driver to write directly to the queue entry descriptor instead of to a provided memory area. This is also a preparation for further clean ups where descriptors are properly reserved in the skb instead of fiddling with the skb data pointer. Signed-off-by: Gertjan van Wingerde Acked-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2400pci.c | 21 +++++++++------------ drivers/net/wireless/rt2x00/rt2500pci.c | 21 +++++++++------------ drivers/net/wireless/rt2x00/rt2500usb.c | 21 ++++++++++++--------- drivers/net/wireless/rt2x00/rt2800pci.c | 14 ++++++++++---- drivers/net/wireless/rt2x00/rt2800usb.c | 8 +++++++- drivers/net/wireless/rt2x00/rt2x00pci.c | 9 --------- drivers/net/wireless/rt2x00/rt2x00queue.c | 10 ---------- drivers/net/wireless/rt2x00/rt2x00usb.c | 8 -------- drivers/net/wireless/rt2x00/rt61pci.c | 20 +++++++++++++------- drivers/net/wireless/rt2x00/rt73usb.c | 21 ++++++++++++--------- 10 files changed, 72 insertions(+), 81 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c') diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 1eff6ec8845..def3fa45ae7 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -1006,15 +1006,15 @@ static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data; - __le32 *txd = skbdesc->desc; + __le32 *txd = entry_priv->desc; u32 word; /* * Start writing the descriptor words. */ - rt2x00_desc_read(entry_priv->desc, 1, &word); + rt2x00_desc_read(txd, 1, &word); rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma); - rt2x00_desc_write(entry_priv->desc, 1, word); + rt2x00_desc_write(txd, 1, word); rt2x00_desc_read(txd, 2, &word); rt2x00_set_field32(&word, TXD_W2_BUFFER_LENGTH, txdesc->length); @@ -1059,6 +1059,12 @@ static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags)); rt2x00_desc_write(txd, 0, word); + + /* + * Register descriptor details in skb frame descriptor. + */ + skbdesc->desc = txd; + skbdesc->desc_len = TXD_DESC_SIZE; } /* @@ -1081,15 +1087,6 @@ static void rt2400pci_write_beacon(struct queue_entry *entry, rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); rt2x00pci_register_write(rt2x00dev, CSR14, reg); - /* - * Replace rt2x00lib allocated descriptor with the - * pointer to the _real_ hardware descriptor. - * After that, map the beacon to DMA and update the - * descriptor. - */ - memcpy(entry_priv->desc, skbdesc->desc, skbdesc->desc_len); - skbdesc->desc = entry_priv->desc; - rt2x00queue_map_txskb(rt2x00dev, entry->skb); rt2x00_desc_read(entry_priv->desc, 1, &word); diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index 8d3e95e0dcf..070c23ed401 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1164,15 +1164,15 @@ static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data; - __le32 *txd = skbdesc->desc; + __le32 *txd = entry_priv->desc; u32 word; /* * Start writing the descriptor words. */ - rt2x00_desc_read(entry_priv->desc, 1, &word); + rt2x00_desc_read(txd, 1, &word); rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma); - rt2x00_desc_write(entry_priv->desc, 1, word); + rt2x00_desc_write(txd, 1, word); rt2x00_desc_read(txd, 2, &word); rt2x00_set_field32(&word, TXD_W2_IV_OFFSET, IEEE80211_HEADER); @@ -1216,6 +1216,12 @@ static void rt2500pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length); rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE); rt2x00_desc_write(txd, 0, word); + + /* + * Register descriptor details in skb frame descriptor. + */ + skbdesc->desc = txd; + skbdesc->desc_len = TXD_DESC_SIZE; } /* @@ -1238,15 +1244,6 @@ static void rt2500pci_write_beacon(struct queue_entry *entry, rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); rt2x00pci_register_write(rt2x00dev, CSR14, reg); - /* - * Replace rt2x00lib allocated descriptor with the - * pointer to the _real_ hardware descriptor. - * After that, map the beacon to DMA and update the - * descriptor. - */ - memcpy(entry_priv->desc, skbdesc->desc, skbdesc->desc_len); - skbdesc->desc = entry_priv->desc; - rt2x00queue_map_txskb(rt2x00dev, entry->skb); rt2x00_desc_read(entry_priv->desc, 1, &word); diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 9a915be547b..b985d8f8cc6 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1033,7 +1033,7 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, struct txentry_desc *txdesc) { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); - __le32 *txd = skbdesc->desc; + __le32 *txd = (__le32 *)(skb->data - TXD_DESC_SIZE); u32 word; /* @@ -1075,6 +1075,12 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, _rt2x00_desc_write(txd, 3, skbdesc->iv[0]); _rt2x00_desc_write(txd, 4, skbdesc->iv[1]); } + + /* + * Register descriptor details in skb frame descriptor. + */ + skbdesc->desc = txd; + skbdesc->desc_len = TXD_DESC_SIZE; } /* @@ -1088,18 +1094,10 @@ static void rt2500usb_write_beacon(struct queue_entry *entry, struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev); struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data; - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint); int length; u16 reg, reg0; - /* - * Add the descriptor in front of the skb. - */ - skb_push(entry->skb, entry->queue->desc_size); - memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len); - skbdesc->desc = entry->skb->data; - /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. @@ -1108,6 +1106,11 @@ static void rt2500usb_write_beacon(struct queue_entry *entry, rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0); rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); + /* + * Take the descriptor in front of the skb into account. + */ + skb_push(entry->skb, TXD_DESC_SIZE); + /* * USB devices cannot blindly pass the skb->len as the * length of the data to usb_fill_bulk_urb. Pass the skb diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 7d4778d66e7..b2f23272c3a 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -633,7 +633,8 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, struct txentry_desc *txdesc) { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); - __le32 *txd = skbdesc->desc; + struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data; + __le32 *txd = entry_priv->desc; u32 word; /* @@ -657,15 +658,14 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, !test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W1_BURST, test_bit(ENTRY_TXD_BURST, &txdesc->flags)); - rt2x00_set_field32(&word, TXD_W1_SD_LEN0, - rt2x00dev->ops->extra_tx_headroom); + rt2x00_set_field32(&word, TXD_W1_SD_LEN0, TXWI_DESC_SIZE); rt2x00_set_field32(&word, TXD_W1_LAST_SEC0, 0); rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0); rt2x00_desc_write(txd, 1, word); rt2x00_desc_read(txd, 2, &word); rt2x00_set_field32(&word, TXD_W2_SD_PTR1, - skbdesc->skb_dma + rt2x00dev->ops->extra_tx_headroom); + skbdesc->skb_dma + TXWI_DESC_SIZE); rt2x00_desc_write(txd, 2, word); rt2x00_desc_read(txd, 3, &word); @@ -673,6 +673,12 @@ static void rt2800pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W3_QSEL, 2); rt2x00_desc_write(txd, 3, word); + + /* + * Register descriptor details in skb frame descriptor. + */ + skbdesc->desc = txd; + skbdesc->desc_len = TXD_DESC_SIZE; } /* diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index d48d705d180..1b87daa1945 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -400,7 +400,7 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, struct txentry_desc *txdesc) { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); - __le32 *txi = skbdesc->desc; + __le32 *txi = (__le32 *)(skb->data - TXWI_DESC_SIZE - TXINFO_DESC_SIZE); u32 word; /* @@ -422,6 +422,12 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_BURST, test_bit(ENTRY_TXD_BURST, &txdesc->flags)); rt2x00_desc_write(txi, 0, word); + + /* + * Register descriptor details in skb frame descriptor. + */ + skbdesc->desc = txi; + skbdesc->desc_len = TXINFO_DESC_SIZE + TXWI_DESC_SIZE; } /* diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c index 2fe9f295351..ff80ef710d4 100644 --- a/drivers/net/wireless/rt2x00/rt2x00pci.c +++ b/drivers/net/wireless/rt2x00/rt2x00pci.c @@ -66,8 +66,6 @@ int rt2x00pci_write_tx_data(struct queue_entry *entry, struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct queue_entry_priv_pci *entry_priv = entry->priv_data; - struct skb_frame_desc *skbdesc; /* * This should not happen, we already checked the entry @@ -82,13 +80,6 @@ int rt2x00pci_write_tx_data(struct queue_entry *entry, return -EINVAL; } - /* - * Fill in skb descriptor - */ - skbdesc = get_skb_frame_desc(entry->skb); - skbdesc->desc = entry_priv->desc; - skbdesc->desc_len = entry->queue->desc_size; - return 0; } EXPORT_SYMBOL_GPL(rt2x00pci_write_tx_data); diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 97b2c765065..891d5f72716 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -552,7 +552,6 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf = vif_to_intf(vif); struct skb_frame_desc *skbdesc; struct txentry_desc txdesc; - __le32 desc[16]; if (unlikely(!intf->beacon)) return -ENOBUFS; @@ -584,20 +583,11 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, */ rt2x00queue_create_tx_descriptor(intf->beacon, &txdesc); - /* - * For the descriptor we use a local array from where the - * driver can move it to the correct location required for - * the hardware. - */ - memset(desc, 0, sizeof(desc)); - /* * Fill in skb descriptor */ skbdesc = get_skb_frame_desc(intf->beacon->skb); memset(skbdesc, 0, sizeof(*skbdesc)); - skbdesc->desc = desc; - skbdesc->desc_len = intf->beacon->queue->desc_size; skbdesc->entry = intf->beacon; /* diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index acf3282fc13..a4f0551422a 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -221,7 +221,6 @@ int rt2x00usb_write_tx_data(struct queue_entry *entry, struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev); struct queue_entry_priv_usb *entry_priv = entry->priv_data; - struct skb_frame_desc *skbdesc; u32 length; /* @@ -230,13 +229,6 @@ int rt2x00usb_write_tx_data(struct queue_entry *entry, skb_push(entry->skb, entry->queue->desc_size); memset(entry->skb->data, 0, entry->queue->desc_size); - /* - * Fill in skb descriptor - */ - skbdesc = get_skb_frame_desc(entry->skb); - skbdesc->desc = entry->skb->data; - skbdesc->desc_len = entry->queue->desc_size; - /* * USB devices cannot blindly pass the skb->len as the * length of the data to usb_fill_bulk_urb. Pass the skb diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 55aa010aeee..1be1d7d585d 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -1763,7 +1763,8 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, struct txentry_desc *txdesc) { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); - __le32 *txd = skbdesc->desc; + struct queue_entry_priv_pci *entry_priv = skbdesc->entry->priv_data; + __le32 *txd = entry_priv->desc; u32 word; /* @@ -1842,6 +1843,13 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, test_bit(ENTRY_TXD_BURST, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher); rt2x00_desc_write(txd, 0, word); + + /* + * Register descriptor details in skb frame descriptor. + */ + skbdesc->desc = txd; + skbdesc->desc_len = + (txdesc->queue == QID_BEACON) ? TXINFO_SIZE : TXD_DESC_SIZE; } /* @@ -1851,7 +1859,7 @@ static void rt61pci_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); + struct queue_entry_priv_pci *entry_priv = entry->priv_data; unsigned int beacon_base; u32 reg; @@ -1867,11 +1875,9 @@ static void rt61pci_write_beacon(struct queue_entry *entry, * Write entire beacon with descriptor to register. */ beacon_base = HW_BEACON_OFFSET(entry->entry_idx); - rt2x00pci_register_multiwrite(rt2x00dev, - beacon_base, - skbdesc->desc, skbdesc->desc_len); - rt2x00pci_register_multiwrite(rt2x00dev, - beacon_base + skbdesc->desc_len, + rt2x00pci_register_multiwrite(rt2x00dev, beacon_base, + entry_priv->desc, TXINFO_SIZE); + rt2x00pci_register_multiwrite(rt2x00dev, beacon_base + TXINFO_SIZE, entry->skb->data, entry->skb->len); /* diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index fa40d434e72..fca661c2e2a 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1440,7 +1440,7 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, struct txentry_desc *txdesc) { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); - __le32 *txd = skbdesc->desc; + __le32 *txd = (__le32 *)(skb->data - TXD_DESC_SIZE); u32 word; /* @@ -1499,6 +1499,12 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, TXPOWER_TO_DEV(rt2x00dev->tx_power)); rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1); rt2x00_desc_write(txd, 5, word); + + /* + * Register descriptor details in skb frame descriptor. + */ + skbdesc->desc = txd; + skbdesc->desc_len = TXD_DESC_SIZE; } /* @@ -1508,17 +1514,9 @@ static void rt73usb_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); unsigned int beacon_base; u32 reg; - /* - * Add the descriptor in front of the skb. - */ - skb_push(entry->skb, entry->queue->desc_size); - memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len); - skbdesc->desc = entry->skb->data; - /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. @@ -1527,6 +1525,11 @@ static void rt73usb_write_beacon(struct queue_entry *entry, rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0); rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); + /* + * Take the descriptor in front of the skb into account. + */ + skb_push(entry->skb, TXD_DESC_SIZE); + /* * Write entire beacon with descriptor to register. */ -- cgit v1.2.3-70-g09d2